reduce.h, light_plot.cc, reduce.cc -- eliminated points with bad times

I now omit points with bad times as they cause several problems.
de_multiplex.cc -- reformatted comment
parseXML.cc -- new version numbers added

Two new version numbers.
read_header.cc -- new version numbers added

and a re-format of a long line
README, bootstrap -- changes to the installation instructions.
README -- tiny tweak
Version 9.11 release